Resistor Color Code

March 31, 2017

Resistor color code calculator the calculator above will display the value the tolerance and performs a simple check to verify if the calculated resistance matches one of the eia standard values. The resistor color code might seem a bit confusing and rather inconvenient at first but most electronics hobbyists and technicians are surprised when they realize how quickly theyve memorized the color chart without the use of mnemonics or other silly shortcuts.

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The resistor color code calculator decodes and identifies a value and tolerance of 4 band wire wound resistors.

Resistor color code. Resistor color code chart. The resistor color code is a long standing standard in both the electronics and electrical industries indicating the value of resistance of a resistor. More online conversion calculators at digi key.

The resistor value is read from the left to right. The table can also be used to specify the color of the bands when the values are known. To use this tool simply click on a particular color and number and watch how the actual bands on the resistor illustration change.

4 band code 5 band code resistor color code guide 2 0 x10000 10 20 x 10000 200000 1000 1k resistor 200 k with a 10 tolerance first band second band multiplier band tolerance band equation the gold or silver band is always placed to the right. Resistor color coding color coding is a method used to indicate the resistive value tolerance and temperature coefficient of resistors with low wattage rating because of their small size. All 5 band resistors use a colored tolerance band.

Our resistor color code calculator is a handy tool for reading carbon composition resistors whether its a 4 band 5 band or 6 band type. Standard resistor values and color components and wires are coded with colors to identify their value and function. A separate code the 25 pair color code is used to identify wires in some telecommunications cables.

The chart below shows how to determine the resistance and tolerance for resistors. Color bands are used because they can be easily and cheaply printed on a small electronic component. Want to know about ohms law.

An electronic color code is used to indicate the values or ratings of electronic components usually for resistors but also for capacitors inductors diodes and others. Resistance is measured in ohms and there is a foundation for it called ohms law. Select the first 3 or 4 bands for 20 10 or 5 resistors and all 5 bands for precision 2 or less 5 band resistors.

The colors brown red green blue and violet are used as tolerance codes on 5 band resistors only. If so please click here or click here.